CN213876108U

CN213876108U - LC connector

Info

Publication number: CN213876108U
Application number: CN202022885331.1U
Authority: CN
Inventors: 黎镜锋; 吴俊�; 张小强; 闻炳亮
Original assignee: SHANGHAI TIANCHENG COMMUNICATION TECHNOLOGY CO LTD
Current assignee: SHANGHAI TIANCHENG COMMUNICATION TECHNOLOGY CO LTD
Priority date: 2020-12-06
Filing date: 2020-12-06
Publication date: 2021-08-03
Anticipated expiration: 2030-12-06

Abstract

The utility model discloses an LC connector, which comprises a shell, a Uniboot LC connector main body part and two LC connector single bodies combined with the Uniboot LC connector main body part; the shell is sleeved on the outer side of the Uniboot LC connector main body part and can be separated from the Uniboot LC connector main body part along the direction of the Uniboot LC connector main body part far away from the LC connector monomer; after the shell is separated from the Uniboot LC connector main body part, the Uniboot LC connector main body part and the two LC connector monomers can be rotated for 180 degrees, and the shell can also be rotated for 180 degrees; one side of the Uniboot LC connector main body part is provided with a polarity mark, and the shell is provided with a window corresponding to the polarity mark. The utility model discloses an among the LC connector polarity conversion process, the user can not need any instrument just can easily open the cutting ferrule at whole in-process, switches polarity, the utility model discloses an LC connector, polarity reversal is easier, need not to terminate the connector again.

Description

LC connector

Technical Field

The utility model relates to a network communication technical field especially relates to a convenient LC connector of polarity conversion.

Background

The LC type connector is a kind of optical fiber connector, and is one of Small Form Factor (SFF) connector types because the external size is only half of the SC/ST/FC connector. Since data centers are generally used in high-density wiring environments, LC connectors are widely used in such projects as integrated wiring systems.

Conventional cabling systems employ a single fiber connector to maintain the polarity requirement for the "B" transmit signal while the "a" receives signal. However, two alternative types of serial duplex connections are available for the duplex jumper, depending on whether the polarity method is "straight-through" routing for the "a-to-B" jumper or "cross" routing for the "a-to-a" jumper. Therefore, polarity reversal is generally required in fiber routing. However, for conventional LC fiber jumpers, polarity reversal is very limiting.

Therefore, there is a need for an LC connector that overcomes the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the prior art and providing a simple structure, the convenient LC connector of polarity conversion.

The technical scheme of the utility model is that:

an LC connector comprises a shell, a Uniboot LC connector main body part and two LC connector single bodies combined with the Uniboot LC connector main body part; the shell is sleeved on the outer side of the Uniboot LC connector main body part and can be separated from the Uniboot LC connector main body part along the direction of the Uniboot LC connector main body part far away from the LC connector monomer; after the shell is separated from the Uniboot LC connector main body part, the Uniboot LC connector main body part and the two LC connector monomers can be rotated for 180 degrees, and the shell can also be rotated for 180 degrees; one side of the Uniboot LC connector main body part is provided with a polarity mark, and the shell is provided with a window corresponding to the polarity mark.

As a preferred technical solution, the housing is provided with identification characters corresponding to the two LC connector monomers, respectively.

As a preferable technical solution, when the Uniboot LC connector main body portion and the two LC connector single bodies rotate, the Uniboot LC connector main body portion rotates 180 degrees, and the two LC connector single bodies do not move.

As a preferable technical solution, when the Uniboot LC connector main body portion and the two LC connector single bodies rotate, the Uniboot LC connector main body portion does not move for the two LC connector single bodies to rotate.

As a preferred technical solution, the housing includes a housing opening and a fiber hole; the shell opening corresponds two LC connector monomer settings, the optic fibre hole with the shell opening sets up relatively.

As a further preferable aspect, after the shell is separated from the Uniboot LC connector body portion, the shell is rotated about the fiber hole.

As a preferred technical solution, the LC connector single body includes a pressing elastic sheet, and the housing is provided with pressing portions corresponding to the pressing elastic sheets of the two LC connector single bodies; the Uniboot LC connector main body part and the two LC connector monomers rotate, the shell rotates, and the pressing part and the pressing elastic piece of the LC connector monomers are in the same direction.

The utility model discloses a LC connector, including shell, Uniboot LC connector main part, with two LC connector monomers that Uniboot LC connector main part combines. When the LC connector needs polarity conversion, the shell is separated from the Uniboot LC connector main body part, the Uniboot LC connector main body part is exposed, the Uniboot LC connector main body part and the two LC connector monomers rotate by 180 degrees, and at the moment, the LC connector of the original A identifier is converted into the position of the B identifier; the original B-labeled LC connector is switched to the a-labeled position, and then the housing is rotated 180 °. The utility model discloses a LC connector still cooperates through polarity mark and shell windowing, through whether the polarity mark is visual on the shell windowing to remind the product whether change polarity. The utility model discloses an among the LC connector polarity conversion process, the user can not need any instrument just can easily open the cutting ferrule at whole in-process, switches polarity, the utility model discloses an LC connector, polarity reversal is easier, need not to terminate the connector again.

Drawings

Fig. 1 is a perspective view of an embodiment of an LC connector according to the present invention;

fig. 2 is an exploded view of an embodiment of an LC connector according to the present invention;

fig. 3 is a schematic structural diagram of an LC connector unit according to an embodiment of the present invention;

fig. 4 is a schematic view of a LC connector unit combined with a Uniboot LC connector body according to an embodiment of the present invention;

fig. 5 is a structural diagram of an outer shell of an embodiment of the LC connector of the present invention;

fig. 6 is another view of the housing of the LC connector embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two, but does not exclude the presence of at least one.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

Fig. 1 and fig. 2 are schematic structural diagrams of an embodiment of an LC connector according to the present invention. The LC connector of the present embodiment includes a housing 2, a Uniboot LC connector main body portion 3, and two LC connector cells 1 combined with the Uniboot LC connector main body portion 3. Wherein, two LC monomers 1 and Uniboot LC connector main part 3 fixed combination, the shell 2 cover is located the outside of Uniboot LC connector main part 3. In the LC connector of the present embodiment, the housing 2 is separable from the Uniboot LC connector body section 3 in a direction in which the Uniboot LC connector body section 3 is away from the LC connector body 1. After the housing 2 is separated from the Uniboot LC connector body 3, the Uniboot LC connector body 3 and the two LC connector units 1 may be rotated 180 °. After the Uniboot LC connector body 3 is rotated 180 ° with the two LC connector units 1, the housing 2 is also rotated 180 °. As shown in fig. 2, the Uniboot LC connector body 3 has a polarity mark 3a on one side surface thereof, and the housing 2 has a window 2a corresponding to the polarity mark 3 a. When the utility model discloses a polarity has not been changed to the LC connector, and model mark 3a can't be seen from windowing 2a, after the product polarity of change, can see polarity mark 3a from windowing 2a to the polarity has been changed to visual warning LC connector. Of course, the utility model discloses among the LC connector practical application process, polarity mark 3a also can be visual when not changing the polarity, and is invisible behind the change polarity, all does not all influence the utility model discloses LC connector advantage embodies.

As shown in fig. 1 and fig. 2, in the LC connector of the present embodiment, identification characters are provided on the housing 2 corresponding to the two LC connector units 1, where the identification characters are generally characters "a" and "B" to represent two polarities of the LC connector, and after the polarities are switched, the LC connector units 1 corresponding to the identification characters "a" and "B" are also switched.

In practical applications, when the Uniboot LC connector body 3 and the two LC connector units 1 rotate, the Uniboot LC connector body 3 may rotate, and the two LC connector units 1 may not move. The Uniboot LC connector body 3 may be stationary and the two LC connector units 1 may be rotated.

As shown in fig. 3, the LC connector unit 1 includes a base and a front seat 11 of the LC connector unit, and the base of the LC connector unit includes a front end portion (not shown), a rear end portion 13 and a limit stop wall 12 disposed between the front end portion and the rear end portion. The front end portion is connected to the LC connector single body front seat 11, and as shown in fig. 4, the rear end portion 13 is connected to the Uniboot LC connector main body portion 3. The rear end portion 13 includes a rotating shaft 131, a step 132 and a rotation limiting portion 133, wherein the rotating shaft 131 is connected to the limiting blocking wall 12, the step 132 is disposed on a side of the rotating shaft 131 away from the limiting blocking wall 12, and the rotation limiting portion 133 is disposed on a side of the step 132 away from the rotating shaft 131; rotation axis 131 makes LC connector monomer base and Uniboot LC connector main part 3 swivelling joint, step 132 is used for fixing a position in the vertical direction in Uniboot LC connector main part 3 LC connector monomer base, rotatory spacing 133 is used for right LC connector monomer base and Uniboot LC connector main part 3's rotation angle carries on spacingly, avoids that Uniboot LC connector main part 3 can unlimited one direction is rotatory, causes the optic fibre to be twisted off.

For convenience of processing, the rotation limiting portion 133 has a U-shaped structure; the rotation-limiting portion 133 of the U-shaped structure is formed by removing the material from the step 132. In an actual process, the rotating shaft 131, the step 132 and the rotation limiting portion 133 may be formed as an integral structure.

In order to firmly combine the front end part with the LC connector single body front seat 11, a limit block may be arranged on the front end part, and the front end part is fixed with the LC connector single body front seat 11 by the limit block in a buckling manner.

The rotation shaft 131 has a cylindrical structure in order to facilitate rotation between the LC connector unit and the Uniboot LC connector body 3. In practice, the step 132 may also be cylindrical in configuration for ease of machining. As shown in fig. 4, the step 132 of the cylindrical structure has a diameter greater than that of the rotation shaft 131.

As shown in fig. 3, the stopper wall 12 is provided with a stopper groove 1 a. The limiting groove 1a is used for matching with the shell 2 to limit the rotation of the LC connector single body 1. The limit stop wall 12 is used for limiting the depth of the connection between the rear end part 13 and the Uniboot LC connector main body part 3, and after the rear end part 13 is completely connected with the Uniboot LC connector main body part 3, the Uniboot LC connector main body part 3 is abutted against the limit stop wall 12.

As shown in fig. 5 and 6, the housing 2 includes a housing body 26, a housing opening 23 and a fiber hole 24, the housing opening 23 is disposed corresponding to the two LC connector units 1, the housing opening 23 is an opening of the housing body 26 corresponding to the LC connector unit 1, the fiber hole 24 is disposed at an end of the housing body 26 away from the housing opening 23, and the fiber hole 24 is used for extending an optical fiber into the Uniboot LC connector main body 3 to connect with the LC connector unit 1. After the housing 2 is separated from the Uniboot LC connector 3 main body portion, the housing 2 is rotated about the fiber hole 24. The housing body 26 corresponding to the housing opening 23 is provided with an extension positioning portion 21, and the extension positioning portion 21 is correspondingly matched with the limit groove 1a to fix the LC connector unit 1 and the housing 2. The side surface of the shell body part is provided with a clamping hook 25, and the clamping hook 25 is used for fixing the LC connector shell 2 and the Uniboot LC connector body part 3.

As shown in fig. 1, the LC connector unit 1 includes a pressing spring 1b, the housing is provided with a pressing portion 22 corresponding to the pressing spring 1b, and as shown in fig. 5 and 6, the pressing portion 22 is an elastic structure protruding from the housing body 26. After the Uniboot LC connector main body portion 3 and the two LC connector single bodies 1 rotate, the housing 2 rotates, and the pressing portion 22 is in the same direction as the pressing elastic piece 1b of the LC connector single body 1. The pressing portion 22 and the extension positioning portion 21 are provided on the same side surface of the housing main body portion 26.

As shown in fig. 5 and 6, the extension positioning portion 21 is an extension block, and the extension block 21 is engaged with the limit groove 1a of the LC connector unit 1 for limiting.

In this embodiment, the number of the LC connector units 1 is two, and the pressing portion 22 is disposed on the housing 2 corresponding to the pressing elastic pieces 1b of the two LC connector units 1. Meanwhile, the number of the extension positioning portions 21 on the housing 2 is two corresponding to the LC connector unit 1, and in practical application, the number of the extension positioning portions 21 on the housing 2 may be the same as the number of the LC connector units 1.

In order to ensure the firmness of the combination of the shell 2 and the Uniboot LC connector body, two hooks 25 are provided, and the two hooks 25 are symmetrically distributed on two opposite side surfaces of the shell body 26.

In summary, the preferred embodiments of the present invention are only described, and the scope of the present invention is not limited thereto. All equivalent changes and modifications made according to the content of the claims of the present invention shall fall within the technical scope of the present invention.

Claims

1. An LC connector, characterized in that: the Uniboot LC connector comprises a shell, a Uniboot LC connector main body part and two LC connector monomers combined with the Uniboot LC connector main body part; the shell is sleeved on the outer side of the Uniboot LC connector main body part and can be separated from the Uniboot LC connector main body part along the direction of the Uniboot LC connector main body part far away from the LC connector monomer; after the shell is separated from the Uniboot LC connector main body part, the Uniboot LC connector main body part and the two LC connector monomers can be rotated for 180 degrees, and the shell can also be rotated for 180 degrees; one side of the Uniboot LC connector main body part is provided with a polarity mark, and the shell is provided with a window corresponding to the polarity mark.

2. An LC connector according to claim 1, wherein: the shell is provided with identification characters corresponding to the two LC connector monomers respectively.

3. An LC connector according to claim 1, wherein: when the Uniboot LC connector main body part and the two LC connector monomers rotate, the Uniboot LC connector main body part rotates 180 degrees, and the two LC connector monomers are not moved.

4. An LC connector according to claim 1, wherein: the Uniboot LC connector main body part and two when the LC connector monomer rotates, for two the LC connector monomer rotates, the Uniboot LC connector main body part is motionless.

5. An LC connector according to claim 1, wherein: the shell comprises a shell opening and an optical fiber hole; the shell opening corresponds two LC connector monomer settings, the optic fibre hole with the shell opening sets up relatively.

6. An LC connector according to claim 5, wherein: and after the shell is separated from the Uniboot LC connector main body part, the shell rotates by taking the optical fiber hole as an axis.

7. An LC connector according to claim 1, wherein: the LC connector single body comprises pressing elastic sheets, and the shell is provided with pressing parts corresponding to the pressing elastic sheets of the two LC connector single bodies; the Uniboot LC connector main body part and the two LC connector monomers rotate, the shell rotates, and the pressing part and the pressing elastic piece of the LC connector monomers are in the same direction.